The capital(which should be the biggest) is Tenochtitlan.
Imperialism is more direct domination where an outside power completely takes over to create an empire and considers it as its own. Colonialism is where the existing state is not entirely dismissed, but it is still controlled.
Answer:
By measuring the distance of the sun and stars above the horizon, the astrolabe helped determine latitude, an important tool in navigation. Another tool, the magnetic compass, which had been invented in the twelfth century, was improved upon during the Renaissance.
Explanation: